The phrase "a real cause of" is correct and usable in written English.
It can be used when discussing the genuine or significant reason behind a particular event or situation.
Example: "The study revealed that stress is a real cause of various health issues."
Alternatives: "a genuine reason for" or "a significant factor in".
Intolerance and persecution of gays in other countries is a real cause of concern.
The more we find out that in fact the million-person march was a real cause of worry for Downing Street and for Blair personally, it makes you think we were so close and yet so far".
"I don't think it's a real cause of concern for the mayor unless it's the start of a pattern," said Dan Gerstein, a Democratic political consultant, who is not involved in the race but supports the mayor.
"Uncertainty," of course, has been the catchword for Washington Republicans arguing against government regulations, but a real cause of "uncertainty" that could damage the economy is GOP sabotage governing.
The EDLP player can, however, be a real cause of concern for the loyalty retailer.
For instance, in a case of joint causation when the four movers collectively lug the piano up the stairs, it would be natural to select each individual mover's efforts as a real cause of the piano reaching the second floor (thereby selecting four real causes), all the while demoting various factors like the presence of the staircase to the status of being background conditions.
Business investment was 8.5% lower than in the second quarter of 2013 – a real cause for concern if the plan is to rebalance the economy.
Formulating (1) through (3) in the language of minds and bodies, Leibniz held that no mental state has as a real cause some state of another created mind or body, and no bodily state has as a real cause some state of another created mind or body.
Further, every non-initial, non-miraculous, mental state of a substance has as a real cause some previous state of that mind, and every non-initial, non-miraculous, bodily state has as a real cause some previous state of that body.
Mr. Lomma's lawyers, in opening remarks, said that the repaired weld that prosecutors have focused on was a symptom of the real cause of the accident, not the cause itself, an argument that they will probably explore further after the prosecution completes its case in what is expected to be a six-week trial.
When the former spy chief died, in 1959, from complications of senile dementia, the FBI director spread a rumor that the real cause of death was syphilis.
